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<http://schema.org/text>
"Melt butter in large saucepan over medium heat. Add leek and celery and cook, stirring, until softened, about 5 minutes. Add potatoes, stock and 1 teaspoon salt and stir to mix well. Bring to a boil over high heat, cover partially, reduce heat to low and simmer until potatoes are tender, about 15 minutes. About 5 minutes before potatoes are ready, stir in 1 cup corn."
<https://www.yummly.com/recipes/frozen-diced-potatoes>